Planning application
13 Boxall Road London Southwark SE21 7JS
Works: Extension Loft or dormer Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Loft conversion with rear dormer and installation of roof lights, ground floor side return extension, internal alterations / refurbishment & rear external landscaping works.
As published by the council, reference 26/AP/1832
Application record
- Reference
- 26/AP/1832
- Type
- Householder Application
- Status
- Granted
- Decision
- Granted As published: Householder - GRANTED
- Received
- 24 Jun 2026
- Validated
- 26 Jun 2026
- Decided
- 18 Aug 2026
- Ward
- Dulwich Village
- Parish
- Dulwich
- Decision by
- Delegated Panel - Simple
- Postcode
- SE21 7JS
Timeline
Dates from the published record
-
24 Jun 2026
Received by Southwark
-
26 Jun 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
18 Aug 2026
Decision issued: Householder - GRANTED
Who's behind it
Company information only, from the register and Companies House
Seary Architects Agent, an architecture practice
10 applications on PlanIndex · across 4 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
19 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Southwark granted permission on 18 August 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
7 Boxall Road London Southwark SE21 7JS
95% historically approved · decision due ~12 Dec
Construction of a ground floor rear and side wraparound extension, construction of a rear dormer, and installation of a rear roof light.
Awaiting decision Householder Extension Loft or dormer 20 docsDomestic -
7 Mitchells Place London Southwark SE21 7JZ
T1 - Tibetan Cherry Tree - Crown thin by 15%, removal of dead wood and crown lift to 2.5m. T2 -Sorbus tree - Crown thin by 15%, removal of dead wood and water shoots. Lift lower branches. Paving slabs that have been lifted due to root growth should be lifted up and roots removed which are causing the damage and slabs returned to an even surface. T3 - Bay tree - Reduce by 40% and round off proportionally. T4 - Sorbus tree - Crown thin by 25% including the removal of dead wood and water shoots including the lifting of lower branches and necessary reshaping. T5 - Bay tree - Reduce by 30% to have a more formative shape. Selected smaller stems should be severed at base of tree. T6 - Variegated Acer - Crown thin by 20% and remove dead wood. T7 - Bay tree - Reduce by 20% and clip to a more formal shape. T8 - Willow tree - Crown thin by 20% including the removal of dead wood and water shoots, removal of one low branch over adjacent carpark. T9 - Tibetan Cherry Tree - Crown thin by 15%, crown lift to 2.5m. and removal of dead wood and water shoots. T10 - Silver Birch tree - Crown thin by 20% and lift canopy to 2.5m. T11 - Crab apple tree - Crown thin by 20% and lift canopy to 2.5m. T12 - Cherry tree - Crown thin by 10% and lift canopy to 2.5m. T13 - Tibetan Cherry tree - Crown thin by 15% and crown lift to 2.5m. T14 - Cherry tree - Crown thin by 20% and crown lift to 2.5m. T15 - Tibetan Cherry tree - Crown thin by 20% and lift canopy to 2.5m.
Granted Trees 6 docs -
23 Boxall Road London Southwark SE21 7JS
Works to a tree in a conservation area:T1 (Whitebeam) - RemoveThe reasons for the notification are as follows:a. The property has been the subject of movement which engineers consider to be attributable to the role of vegetation on an underlying clay soil.b. Site investigations confirm the clay soil and levels of desiccation which support the view trees are of influence.c. The onset timing of damage is wholly consistent with the potential that it is caused by tree(s).d. The tree identified for removal are the largest/ closest vegetation to the affected part of the building. It is hoped that their removal will mitigate the influence and facilitate the retention of other surveyed trees. e. T1 (Whitebeam) has been implicated by way of positive root identification.
Granted Trees 12 docs -
7 Mitchells Place London Southwark SE21 7JZ
T1 - Medium Sorbus tree. Located in middle of paved path. The tree is currently too big for its current location and its roots are causing a major trip hazard due to the lifting of the communal path. Section fell and remove stump. It is not recommended to plant another tree in this location.
Granted Trees 9 docs -
60 Dulwich Village London Southwark SE21 7AJ
Non material amendment for application 15AP2957 dated 06042016 for the Erection of two three bedroom semi-detached three storey houses including basement, with associated off street parking and private gardens. The non-material amendment consists of: - Amendment of front patio and parking space to resolve parking issues, - the re-location of bike storage to the rear garden, and - the bin storage for each property to be split and moved away from the share boundary for easier access.
Decided Conditions 10 docs -
62 Dulwich Village London Southwark SE21 7AJ
Minor material amendment to planning permission 19/AP/2340 (Minor material amendment to planning permission 17AP4361 for demolition of the existing single storey detached garage building at rear of property and construction of a two storey plus basement one bedroom house with workspace, storage and private amenity space. Amendments are 1. Setting back of the front elevation to be in line with the existing building 2. The pushing out of the rear elevation at basement and ground floor to recoup erase lost space 3. The rearrangement for the front ground floor elevation at street level. (REVISED)) for the following changes: - Vertical louvres to the ground floor front window are removed. - Parapets are raised to allow for adequate falls across the flat roofs following further detailed survey. - The coping is revised to avoid staining to brickwork below. - External rainwater pipes are removed. - Stainless steel overflows are added. - An aerial and satellite dish are added to the roof.
Granted Amendments Demolition Windows or glazing 14 docsSmall domestic
Other householder applications
In Southwark
-
26/AP/2158 Granted
7 Alma Grove London Southwark SE1 5PY
Erection of a rear ground floor side extension with a framed glass roof and bi-folding rear doors. Replacement of windows and door. Alterations to external facade.
-
26/AP/2601 Awaiting decision
49 Henshaw Street London Southwark SE17 1PE
Demolition of existing rear extension and construction of part single, part two storey rear extension and erection of roof terrace on main roof with balustrades and glazed access hatch.
-
26/AP/2545 Awaiting decision
76 Shenley Road London Southwark SE5 8NQ
Construction of a single storey side and rear extension to the rear; construction of a rear dormer roof extension over the main roofslope and the installation of 3x rooflights to the front roofslope.
-
26/AP/2533 Awaiting decision
28 Tyrrell Road London Southwark SE22 9NE
Construction of rear extension.
-
26/AP/0784 Granted
60 Grove Park London Southwark SE5 8LF
Refurbishment of the property including replacement of glazing with thermally efficient conservation windows templated after originals, construction of a single-storey rear extension, a loft extension, minor internal partition alterations, and removal of external soil vent pipes.